20 Nov 2017

November 20, 2017


    AVALANCHE ACTIVITY:

    Lots of fresh snow and wind yesterday, be careful in the alpine and at tree line today.


    An avalanche has killed a ski tourer in Germany, story below.                                     Net Pic



    YESTERDAY:

    Sunday morning storm skiing was awesome.


    Over a 2 meter base at Pig alley on Sunday.

    Snowing 4 cm an hour from 06:00 Hrs to 14:00 Hrs.

    An epic storm day.

    Best early season conditions in a long time.


Weather Observations for November 20, 2017 taken at 06:00 Hours.

2180 meters    -3, Winds were 20-35 KPH SE --Whistler Peak
1835 meters    -2, Winds were 10-15 KPH SE --Roundhouse
1660 meters    -3, 21 cm of new, 54 cm in 24 hrs  Base 208 cm --Pig Alley
  660 meters     0, Valley Temp, Max Temp Yesterday was +1.5, 29.4 mm of precip recorded


FORECAST:

A weak ridge will build today for unsettled weather in a West to Northwest low level flow. The freezing level will hover in the 1300 meter range.  Tuesday will be cloudy with a steadily rising freezing level topping out by Tuesday night at around 2600 meters as a vigorous warm front pushes through into Wednesday. Some snow will fall Tuesday morning transitioning to heavy rain as the day progresses. 25 mil possible by Wednesday morning. Models vary on rain amounts for Wednesday but could easily get 50-75 by Thursday morning. The European model is forecasting 175 mm for Wednesday and the FL could go as high as 2800 meters. Lets hope most of the precip pushes south of our zone. The FL will slowly drop on Thursday from approximately 1700 meters to 1400 meters by days end. Light snow is forecsated to fall in the alpine on Thursday. Warmish moist weather will continue into Friday and Saturday with the FL's ranging from 1200 to 1700 meters. More on that in tomorrow's post.


    Front moving Southeast this morning.

    Unsettled later this am.

    Some lingering cloud Monday.

    Very warm wet front by Tuesday evening.

     Looking like an atmospheric river is on its way. Perhaps it will keep a Southerly course.


    Looking wet Wednesday.

    Moist southwest flow for Wednesday.


    Flow into Friday.

    INFORMATION & OBSERVATIONS:

    Looking like January at 900 meters.

    Big picture Sunday afternoon 14:00 Hrs.

    33 cm recorded from 06:00 to 14:00 at 660 meters.

    No need for these guys in this cycle.

    Front sliding South on Sunday afternoon.



ARTICLES:

An avalanche has killed a ski tourer in Kehlstein Berchtesgaden: Germany

2017 Avalanche Airbag review: Mountain Sledder


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